Carbonator



FIG. 1 is a right side elevational view of a carbonator showing my new design, the broken line showing of a soda bottle is illustrative of environmental structure only and forms no part of the claimed design;

FIG. 2 is a top, front, and right side perspective view thereof on an enlarged scale;

FIG. 3 is a right side elevational view of FIG. 2, the side opposite is a mirror image;

FIG. 4 is a front elevational view of FIG. 2;

FIG. 5 is a rear elevational view of FIG. 2;

FIG. 6 is a bottom plan view of FIG. 2; and

FIG. 7 is a top plan view thereof. 

The ornamental design for a carbonator, as shown and described. 